Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

In 2025, most devices feature built-in antivirus software that scans files you attempt to download, blocking anything it deems suspicious. Antivirus tools also perform automated scans to remove ...

Computers of any kind are at risk of receiving malware, and even though Windows 11 comes with Microsoft Defender Antivirus ...

Unlike your built-in laptop antivirus protection, modern antivirus software doesn’t just protect you from dodgy downloads—it can keep the kids from looking at web pages they shouldn’t or make sure ...

ZDNET tested the best antivirus software on the market, with support for multiple operating systems, VPNs, and robust protection.

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Avira is a cybersecurity company known for its freemium ...

We explore how Windows Security and Microsoft Defender protect your Windows 11 computer and why you might want to consider an alternative. Dianna Gunn built her first WordPress website in 2008. Since ...

You get what you pay for. That’s what they always say, right? And while that can be true for many things, antivirus software is a little different. There are reputable free antivirus solutions out ...

Many Mac users wonder if they need extra antivirus software. The answer depends on what you use your Mac for and where you’re using it from. The macOS operating system is tightly controlled and uses ...

Whether you’ve been shopping the best gaming PC deals or already have a lot invested in one of the best gaming PCs, some antivirus software is the first step in keeping it secure. With a lot of games ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. This content originally ...